Home / 454,565.60-681,739.05-139,025.24

Finding the Fourth Proportional to 454,565.60, 681,739.05 and 139,025.24

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Solution

The fourth proportional to 454,565.60, 681,739.05 and 139,025.24 is: 208,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,565.60 : 681,739.05 = 139,025.24 : x
  2. Step 2: Convert to fraction form
    454,565.60/681,739.05 = 139,025.24/x
  3. Step 3: Cross multiply
    454,565.60x = 681,739.05 × 139,025.24
  4. Step 4: Simplify right side
    454,565.60x = 94,778,935,043.62
  5. Step 5: Solve for x
    x = 94,778,935,043.62/454,565.60
  6. Step 6: Final answer
    x = 208,504.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.